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Question

When CO2 concentration in blood increases, breathing becomes.

A
There is no effect on breathing
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B
Slow and deep
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C
Faster
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D
Shallower and slow
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Solution

The correct option is C Faster
C. Faster
Solution: According to Bohr's effect, the affinity of oxygen to hemoglobin is inversely proportional with the concentration of carbon dioxide in blood. When carbon dioxide concentration increases in blood, body tissue will get low oxygen as the affinity of oxygen to hemoglobin will decrease. So breathing will become faster.
So the correct answer is "Faster"

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